Brian Wood is a 48 year old Chief Executive of his own small business. He has lost his temper with practice staff in the past and has had a rocky relationship with one of the partners, Dr Hargreaves.

Jason is a 38 year old man who has mental health problems, including depression and anxiety.

Katy is a 20 year old student who's been going out clubbing a lot, experimenting with illegal drugs and casual sex. Dr Newell has strongly-held views based on her faith (she's Catholic) and personally disapproves of Katy's lifestyle.

Mrs Melville, who is 69 years old, has come to discuss a second face lift (she had her first eight years ago). Mr Yannis is a cosmetic surgeon working in the independent sector.

Christopher is five years old. His mother is concerned that he is being bullied about his ears sticking out, and would like them to be pinned back. Christopher's parents are divorced.

MR and Mrs Buryon's son Andrew is seven years old. He has recently been diagnosed with cancer and is about to begin his first round of chemotherapy.

Suzie, who is 30, is concerned about a large mole on her leg which has changed colour and begun to itch. Suzie's GP has referred her to a dermatologist, Dr Austin, for further investigation.

Shannon Baillie is 27. She has a severe learning disability and has very little speech, but can make herself understood to her mother. Shannon hasn't eaten much for several days and her mother is worried there may be something seriously wrong.

Sarah is 15 years old. She has come alone to the GP surgery seeking advice about contraception.

Marlena Baron has come to Accident and Emergency with a suspected fractured arm, cracked ribs and bruising around her neck.

Jacquie is under the care of Dr Clifford, a general practitioner with a special interest in substance misuse. Jacquie is a single parent - her son Olly is five years old. Although children's social services were involved when Jacquie first sought treatment, there are currently no safeguarding concerns.

Dr Sam Walker is a doctor in training who works in an accident and emergency department of a hospital. Dr Walker has to decide whether it's appropriate to accept a Facebook friend request from a vulnerable patient. Later, Sam examines whether he should change the way he uses Twitter.

Mr Jessop is 70 years old and has come to see Dr Williams today because he's concerned about his wife, Shirley, 72, who is also a patient of Dr Williams.

Mr Hartley is 75 years old. He was diagnosed with Alzheimer's nearly a year ago. He currently lives independently but his condition has begun to deteriorate in the last six months, and his daughter, Clementine, is concerned about his future care.

Amber, who is 35, has been referred by her GP to Dr Rosin, a consultant in obstetrics and gynaecology. Amber is profoundly deaf and her preferred language is British Sign Language (BSL), although she does also lip-read.

Dr MacDonald is a consultant in emergency medicine at a busy district general hospital. She has been treating a 19 year-old man with a stab wound to the abdomen.

Mrs Ford has suffered from high blood pressure for some years, and is developing heart failure, the symptoms of which are affecting her ability to work and her quality of life. She is unhappy with the treatment that she has received on the NHS and has self-referred to Dr Liebowitz, a private consultant cardiologist.

Mrs Conti, who is 80, has been diagnosed with heart failure. She has tried a number of different types of medication over the last several months with very little improvement in her symptoms. She has come to see Dr Oloko to discuss her options for treatment.

Adrian is 27. He is attending the sexual health clinic today to get the results of some tests. Adrian's partner, Maria, also attends the same clinic, although Adrian is unaware of this.

Clementine's father, Mr Hartley who is 75, underwent a gastrectomy and chemotherapy six months ago to treat a malignant stomach ulcer. He had previously been diagnosed with Alzheimer's Disease and his condition has declined significantly over the past year.

Dr Sharma has recently been appointed a Consultant Physician based in the Stroke Unit of the general district hospital where she was previously a Specialist Registrar. She witnesses a number of incidents on the Unit where patients are not receiving basic care and has to decide how to act.

Lesley is a 73 year old woman who has osteoarthritis in her hip. Her condition affects her mobility, though she can manage most of the time on her own. She has had a fall at home and has come to the accident and emergency department of her local hospital with bruises and a fractured left wrist.